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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000092-WSR-000055

    <GroupDescription></GroupDescription>
    Group
  • Both the log file and Event Tracing for Windows (ETW) for the IIS 10.0 web server must be enabled.

    &lt;VulnDiscussion&gt;Internet Information Services (IIS) on Windows Server 2012 provides basic logging capabilities. However, because IIS takes so...
    Rule Medium Severity
  • SRG-APP-000098-WSR-000060

    <GroupDescription></GroupDescription>
    Group
  • An IIS 10.0 web server behind a load balancer or proxy server must produce log records containing the source client IP and destination information.

    &lt;VulnDiscussion&gt;Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a corr...
    Rule Medium Severity
  • SRG-APP-000099-WSR-000061

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must produce log records that contain sufficient information to establish the outcome (success or failure) of IIS 10.0 web server events.

    &lt;VulnDiscussion&gt;Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a corr...
    Rule Medium Severity
  • SRG-APP-000100-WSR-000064

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must produce log records containing sufficient information to establish the identity of any user/subject or process associated with an event.

    &lt;VulnDiscussion&gt;Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a corr...
    Rule Medium Severity
  • SRG-APP-000120-WSR-000070

    <GroupDescription></GroupDescription>
    Group
  • The log information from the IIS 10.0 web server must be protected from unauthorized modification or deletion.

    &lt;VulnDiscussion&gt;A major tool in exploring the website use, attempted use, unusual conditions, and problems are the access and error logs. In ...
    Rule Medium Severity
  • SRG-APP-000125-WSR-000071

    <GroupDescription></GroupDescription>
    Group
  • The log data and records from the IIS 10.0 web server must be backed up onto a different system or media.

    &lt;VulnDiscussion&gt;Protection of log data includes ensuring log data is not accidentally lost or deleted. Backing up log records to an unrelated...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000015

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must not perform user management for hosted applications.

    &lt;VulnDiscussion&gt;User management and authentication can be an essential part of any application hosted by the web server. Along with authentic...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000075

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must only contain functions necessary for operation.

    &lt;VulnDiscussion&gt;A web server can provide many features, services, and processes. Some of these may be deemed unnecessary or too unsecure to r...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000076

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must not be both a website server and a proxy server.

    &lt;VulnDiscussion&gt;A web server should be primarily a web server or a proxy server but not both, for the same reasons that other multi-use serve...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000077

    <GroupDescription></GroupDescription>
    Group
  • All IIS 10.0 web server sample code, example applications, and tutorials must be removed from a production IIS 10.0 server.

    &lt;VulnDiscussion&gt;Web server documentation, sample code, example applications, and tutorials may be an exploitable threat to a web server. A pr...
    Rule High Severity
  • SRG-APP-000141-WSR-000078

    <GroupDescription></GroupDescription>
    Group
  • The accounts created by uninstalled features (i.e., tools, utilities, specific, etc.) must be deleted from the IIS 10.0 server.

    &lt;VulnDiscussion&gt;Accounts used for web server features such as documentation, sample code, example applications, tutorials, utilities, and ser...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000080

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must be reviewed on a regular basis to remove any Operating System features, utility programs, plug-ins, and modules not necessary for operation.

    &lt;VulnDiscussion&gt;Just as running unneeded services and protocols is a danger to the web server at the lower levels of the OSI model, running u...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000081

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must have Multipurpose Internet Mail Extensions (MIME) that invoke OS shell programs disabled.

    &lt;VulnDiscussion&gt;Controlling what a user of a hosted application can access is part of the security posture of the web server. Any time a user...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000085

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must have Web Distributed Authoring and Versioning (WebDAV) disabled.

    &lt;VulnDiscussion&gt;A web server can be installed with functionality that by its nature is not secure. Web Distributed Authoring (WebDAV) is an e...
    Rule Medium Severity
  • SRG-APP-000175-WSR-000095

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must perform RFC 5280-compliant certification path validation.

    &lt;VulnDiscussion&gt;This check verifies the server certificate is actually a DoD-issued certificate used by the organization being reviewed. This...
    Rule Medium Severity
  • SRG-APP-000206-WSR-000128

    <GroupDescription></GroupDescription>
    Group
  • Java software installed on a production IIS 10.0 web server must be limited to .class files and the Java Virtual Machine.

    &lt;VulnDiscussion&gt;Mobile code in hosted applications allows the developer to add functionality and displays to hosted applications that are flu...
    Rule Medium Severity
  • SRG-APP-000211-WSR-000030

    <GroupDescription></GroupDescription>
    Group
  • IIS 10.0 Web server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts.

    &lt;VulnDiscussion&gt;As a rule, accounts on a web server are to be kept to a minimum. Only administrators, web managers, developers, auditors, and...
    Rule High Severity
  • SRG-APP-000211-WSR-000129

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must separate the hosted applications from hosted web server management functionality.

    &lt;VulnDiscussion&gt;The separation of user functionality from web server management can be accomplished by moving management functions to a separ...
    Rule Medium Severity
  • SRG-APP-000223-WSR-000011

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must use cookies to track session state.

    &lt;VulnDiscussion&gt;Cookies are used to exchange data between the web server and the client. Cookies, such as a session cookie, may contain sessi...
    Rule Medium Severity
  • SRG-APP-000223-WSR-000145

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must accept only system-generated session identifiers.

    &lt;VulnDiscussion&gt;ASP.NET provides a session state, which is available as the HttpSessionState class, as a method of storing session-specific i...
    Rule Medium Severity
  • SRG-APP-000225-WSR-000074

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server must augment re-creation to a stable and known baseline.

    &lt;VulnDiscussion&gt;Making certain that the web server has not been updated by an unauthorized user is always a concern. Adding patches, function...
    Rule Medium Severity
  • SRG-APP-000231-WSR-000144

    <GroupDescription></GroupDescription>
    Group
  • The production IIS 10.0 web server must utilize SHA2 encryption for the Machine Key.

    &lt;VulnDiscussion&gt;The Machine Key element of the ASP.NET web.config specifies the algorithm and keys that ASP.NET will use for encryption. The ...
    Rule Medium Severity
  • SRG-APP-000251-WSR-000157

    <GroupDescription></GroupDescription>
    Group
  • Directory Browsing on the IIS 10.0 web server must be disabled.

    &lt;VulnDiscussion&gt;Directory browsing allows the contents of a directory to be displayed upon request from a web client. If directory browsing i...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000142

    <GroupDescription></GroupDescription>
    Group
  • The IIS 10.0 web server Indexing must only index web content.

    &lt;VulnDiscussion&gt;The indexing service can be used to facilitate a search function for websites. Enabling indexing may facilitate a directory t...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000159

    <GroupDescription></GroupDescription>
    Group
  • Warning and error messages displayed to clients must be modified to minimize the identity of the IIS 10.0 web server, patches, loaded modules, and directory paths.

    &lt;VulnDiscussion&gt;HTTP error pages contain information that could enable an attacker to gain access to an information system. Failure to preven...
    Rule Medium Severity

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